Who owns the DUOLINE trademark?

The DUOLINE trademark is owned by Duoline Technologies, Inc..

What class is the DUOLINE trademark registered in?

The DUOLINE trademark is registered in Class 006 (Common metals, their alloys & metal goods).

What is the serial number for DUOLINE?

The USPTO serial number for DUOLINE is 73558506.

What is the registration number for DUOLINE?

DUOLINE is registered under USPTO registration number 1392115.

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USPTO Trademark Record

REGISTERED

DUOLINE

SN 73558506·Reg 1392115·Filed Sep 16, 1985

Owner Duoline Technologies, Inc.

Common metals and their alloys, ores; metal materials for building and construction; transportable buildings of metal; non-electric cables and wires of common metal; small items of metal hardware; metal containers for storage or transport; safes.

DUOLINE (Serial No. 73558506), Registration No. 1392115, is a registered US trademark filed on Sep 16, 1985 by Duoline Technologies, Inc.. This trademark covers Class 006 (Common metals, their alloys & metal goods).

renewal grace 40y period: November 06, 202638 days remaining

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Mark Intelligence

DUOLINE (Reg. #1392115) is a registered US trademark that has been protecting its owner, Duoline Technologies, Inc., since 1985. The mark covers Class 006 (Common metals, their alloys & metal goods). Goods and services include Common metals and their alloys, ores; metal materials for building and construction; transportable buildings of metal; n.... The mark faced 1 opposition proceeding during prosecution.

FILED

Sep 16, 1985

SERIAL

73558506

REG#

1392115

REGISTERED

May 06, 1986

Filing Information

StatusREGISTERED

Filing DateSep 16, 1985

Serial Number73558506

Registration No.1392115

Registration DateMay 06, 1986

Status DateOct 16, 2025

Published for OppositionFeb 11, 1986

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 AcknowledgedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 006Common metals, their alloys & metal goods

US codes: 013

First use anywhere: Aug 21, 1985

First use in commerce: Aug 21, 1985

This description is as filed with the USPTO and defines the scope of trademark protection.

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Status History

32 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Oct 16, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Oct 16, 2025

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

Oct 16, 2025

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Oct 16, 2025

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

TEAS SECTION 8 & 9 RECEIVED

Jun 24, 2025

TEAS SECTION 8 & 9 RECEIVED

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

May 06, 2025

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

REVIEW OF CORRESPONDENCE COMPLETE - ADDRESS UPDATED

Sep 04, 2020

REVIEW OF CORRESPONDENCE COMPLETE - ADDRESS UPDATED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jun 11, 2020

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Jun 11, 2018

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jun 11, 2018

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Jan 17, 2018

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Jul 19, 2017

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 01, 2016

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Mar 01, 2016

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Mar 01, 2016

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Mar 01, 2016

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

TEAS SECTION 8 & 9 RECEIVED

Dec 16, 2015

TEAS SECTION 8 & 9 RECEIVED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Dec 26, 2012

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

CASE FILE IN TICRS

Jun 05, 2008

CASE FILE IN TICRS

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Aug 07, 2006

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Aug 07, 2006

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

ASSIGNED TO PARALEGAL

Jul 27, 2006

ASSIGNED TO PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

May 04, 2006

TEAS SECTION 8 & 9 RECEIVED

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

May 04, 2006

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

Jul 16, 1992

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED

Apr 20, 1992

REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED

REGISTERED-PRINCIPAL REGISTER

May 06, 1986

REGISTERED-PRINCIPAL REGISTER

May 06, 1986

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Feb 11, 1986

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Jan 12, 1986

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

Nov 22, 1985

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Nov 21, 1985

ASSIGNED TO EXAMINER

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